Patents by Inventor Ting-Yu Chang
Ting-Yu Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20110157043Abstract: An active device array substrate including an active device array and a plurality of touch sensing electrodes is provided. The active device array is disposed on a substrate. The touch sensing electrodes are disposed on the substrate, and the active device array and the touch sensing electrodes are insulated with each other so as to form a sensing capacitance between the active device array and the touch sensing electrodes.Type: ApplicationFiled: December 8, 2010Publication date: June 30, 2011Applicants: DONGGUAN MASSTOP LIQUID CRYSTAL DISPLAY CO., LTD., WINTEK CORPORATIONInventors: Chih-Chang Lai, Ting-Yu Chang, Po-Hsien Wang, Ching-Fu Hsu, Hsiao-Hui Liao
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Publication number: 20110134072Abstract: A resistive touch panel includes a first substrate, a second substratem and a driving circuit. A first conductive layer is disposed on the first substrate and includes a first, a second, a third, and a fourth corners which are different from each other. A first, a second, a third, and a fourth conducting wires are electrically connected to the first, second, third, and fourth corners, respectively. The second substrate is disposed parallel to the first substrate. A second conductive layer is disposed on the second substrate and faces the first conductive layer. A fifth conducting wire is electrically connected to a first side of the second conductive layer while a sixth conducting wire is electrically connected to a second side of the second conductive layer. The driving circuit is electrically connected to the first, second, third, fourth, fifth, and sixth conducting wires.Type: ApplicationFiled: November 30, 2010Publication date: June 9, 2011Inventors: Jyun-Sian Li, Chih-Chang Lai, Ting-Yu Chang
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Publication number: 20110121701Abstract: An engaging structure of the drawer of a closet includes a fixing element on any one of the two opposite sides of the drawer that have sliding rails. One end of the fixing element is provided with a first guiding part corresponding to the end edge of the lift handle disposed on the front side of the drawer. The other end of the fixing element has an engaging part to engage with a stopping part when the drawer is put into the closet. To pull or push the drawer out of or into the closet, the user uses the lift handle to control the engagement or departure between the engaging part and the stopping part.Type: ApplicationFiled: February 13, 2010Publication date: May 26, 2011Inventor: Ting-Yu Chang
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Publication number: 20110102698Abstract: A liquid crystal display panel including an active device matrix substrate, an opposite substrate, and a liquid crystal layer is provided. The active device matrix substrate includes a first substrate, an active, device array, a padding device, first connecting electrodes, and shielding electrodes. The padding device is disposed on active devices and data lines of the active device array. The first connecting electrodes are located above the active devices and electrically connected to the active devices. The shielding electrodes are located above the data lines and electrically connected to a common voltage. The opposite substrate includes a second substrate, first electrodes, an insulating layer, second electrodes having slits and opposite to the first electrodes, spacers corresponding to the active devices, and second connecting electrodes covering the spacers to directly contact with the first connecting electrodes and electrically connected to the first electrodes or the second electrodes.Type: ApplicationFiled: November 2, 2010Publication date: May 5, 2011Applicant: WINTEK CORPORATIONInventors: Wen-Chun Wang, Ming-Chang Yu, Yung-Cheng Chang, Ting-Yu Chang, Wan-Jen Tsai
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Publication number: 20100302180Abstract: A touch apparatus including a touch panel and a touch sensing circuit is provided. The touch panel includes a first transparent substrate, a plurality of first conductive patterns, a second transparent substrate, a plurality of second conductive patterns and a plurality of spacers. The touch sensing circuit includes a first demultiplexer, a second demultiplexer, a first multiplexer, a second multiplexer, a third multiplexer, a fourth multiplexer, a fifth multiplexer, a sixth multiplexer and an analog/digital converter (ADC). The fifth multiplexer and the sixth multiplexer are used for modulating a signal receiving range of the ADC and thus the touch sensing circuit is easily judge a correctness of a sensing signal.Type: ApplicationFiled: October 20, 2009Publication date: December 2, 2010Applicant: WINTEK CORPORATIONInventors: Ting-Yu Chang, Chih-Chang Lai
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Publication number: 20100265263Abstract: An image display method including following steps is provided. A backlight of a display panel is adaptively adjusted according to a backlight adjustment factor related to the intensity value of an external light and the brightness of an original image. Brightness factors of the original image are corrected according to the adjustment of the backlight, and the original image is reset by using the corrected brightness factors and original color factors. Thereby, the problem of image distortion caused by backlight adjustment can be reduced.Type: ApplicationFiled: April 20, 2010Publication date: October 21, 2010Applicant: WINTEK CORPORATIONInventors: Ching-Fu Hsu, Chih-Chang Lai, Shiao-Hui Liao, Ting-Yu Chang
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Publication number: 20100141595Abstract: A touch display panel including scan lines, data lines, pixel units electrically connecting the scan lines and the data lines, at least a sensing-signal line locating between the pixel units, and at least a touch-sensing device is provided. Each touch-sensing element includes a set of sensing pads and a signal transmission element. The set of the sensing pads includes a first pad and a second pad separated from each other. The first pad and the second pad are respectively electrically connected to the scan line and the sensing-signal line. The signal transmission element is located above the set of the sensing pads. When a position where the touch-sensing element is disposed is pressed, the signal transmission element directly contacts the first pad and the second pad. When the position where the touch-sensing element is disposed is unpressed, the first pad and the second pad are electrically insulated.Type: ApplicationFiled: December 2, 2009Publication date: June 10, 2010Applicant: WINTEK CORPORATIONInventors: Chih-Chang Lai, Ting-Yu Chang, Ching-Fu Hsu
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Patent number: 7525467Abstract: A digital to analog converter is provided comprising a charge sharing circuit, a discharging circuit and a voltage boosting circuit. The charge sharing circuit sequentially receives first to (N?1)th bits of serial digital signals. The charge sharing circuit shares and stores charges between a first capacitor and a second capacitor according to a charging voltage, a ground voltage, a first clock signal and serial data signals. The discharging circuit discharges the charge sharing circuit according to a reset signal. After the voltage boosting circuit receive the (N?1)th digital signal, the charge boosting circuit whether to boost a first terminal and a second terminal of the second capacitor or not based on an Nth digital signal. After the voltage boosting circuit receives the Nth serial digital signal, the charge sharing circuit outputs an analog signal from the second terminal of the second capacitor.Type: GrantFiled: February 15, 2008Date of Patent: April 28, 2009Assignee: TPO Displays Corp.Inventors: Wei-Cheng Lin, Kai-Chieh Yang, Keiichi Sano, Fang-Hsing Wang, Ting-Yu Chang
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Publication number: 20080198054Abstract: A digital to analog converter is provided comprising a charge sharing circuit, a discharging circuit and a voltage boosting circuit. The charge sharing circuit sequentially receives first to (N-1)th bits of serial digital signals. The charge sharing circuit shares and stores charges between a first capacitor and a second capacitor according to a charging voltage, a ground voltage, a first clock signal and serial data signals. The discharging circuit discharges the charge sharing circuit according to a reset signal. After the voltage boosting circuit receive the (N-1)th digital signal, the charge boosting circuit whether to boost a first terminal and a second terminal of the second capacitor or not based on an Nth digital signal. After the voltage boosting circuit receives the Nth serial digital signal, the charge sharing circuit outputs an analog signal from the second terminal of the second capacitor.Type: ApplicationFiled: February 15, 2008Publication date: August 21, 2008Applicant: TPO DISPLAYS CORP.Inventors: Wei-Cheng Lin, Kai-Chieh Yang, Keiichi Sano, Fang-Hsing Wang, Ting-Yu Chang
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Publication number: 20050217300Abstract: A cooling system includes a cooling fan, a fan input-output module for transmitting a control signal to the fan for controlling the rotational speed of the fan, and a chipset interface for generating the fan control signal based on a change in a vital temperature of the computer system. Further provided is a controller for receiving the vital temperature and forwarding the vital temperature to the chipset interface, and a temperature transducer for generating the vital temperature and outputting the vital temperature to the controller. The chipset interface monitors a rotational speed of the cooling fan, and monitors a vital temperature of the computer system. The chipset interface then sets the fan power based on a change in the vital temperature. When the vital temperature decreases, the fan power is reduced to slow the fan, and when the vital temperature increases, the fan power is increased to speed the fan.Type: ApplicationFiled: June 23, 2005Publication date: October 6, 2005Inventors: Yu-Chih Cheng, Lin Zheng, Wei-Chuan Ho, Jin-Wang Yao, Ting-Yu Chang
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Patent number: 6935130Abstract: A cooling system includes a cooling fan, a fan input-output module for transmitting a control signal to the fan for controlling the rotational speed of the fan, and a chipset interface for generating the fan control signal based on a change in a vital temperature of the computer system. Further provided is a controller for receiving the vital temperature and forwarding the vital temperature to the chipset interface, and a temperature transducer for generating the vital temperature and outputting the vital temperature to the controller. The chipset interface monitors a rotational speed of the cooling fan, and monitors a vital temperature of the computer system. The chipset interface then sets the fan power based on a change in the vital temperature. When the vital temperature decreases, the fan power is reduced to slow the fan, and when the vital temperature increases, the fan power is increased to speed the fan.Type: GrantFiled: June 24, 2003Date of Patent: August 30, 2005Assignee: Aopen Inc.Inventors: Yu-Chih Cheng, Lin Zheng, Wei-Chuan Ho, Jin-Wang Yao, Ting-Yu Chang
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Publication number: 20040264125Abstract: A cooling system includes a cooling fan, a fan input-output module for transmitting a control signal to the fan for controlling the rotational speed of the fan, and a chipset interface for generating the fan control signal based on a change in a vital temperature of the computer system. Further provided is a controller for receiving the vital temperature and forwarding the vital temperature to the chipset interface, and a temperature transducer for generating the vital temperature and outputting the vital temperature to the controller. The chipset interface monitors a rotational speed of the cooling fan, and monitors a vital temperature of the computer system. The chipset interface then sets the fan power based on a change in the vital temperature. When the vital temperature decreases, the fan power is reduced to slow the fan, and when the vital temperature increases, the fan power is increased to speed the fan.Type: ApplicationFiled: June 24, 2003Publication date: December 30, 2004Inventors: Yu-Chih Cheng, Lin Zheng, Wei-Chuan Ho, Jin-Wang Yao, Ting-Yu Chang
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Patent number: 6822841Abstract: A circuit board includes a power switch operable so as to generate a trigger signal upon actuation, a card slot adapted for connecting with a video card, and a controller coupled electrically to the power switch and the card slot. The controller detects connection of the video card to the card slot and further detects operating voltage of the video card. The controller inhibits the power switch from generating the trigger signal upon detection that the operating voltage of the video card that is connected to the card slot is higher than a predetermined voltage.Type: GrantFiled: June 11, 2002Date of Patent: November 23, 2004Assignee: Aopen IncorporatedInventors: Ting-Yu Chang, Chih-Hung Wu
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Publication number: 20040002780Abstract: A computer system includes a motherboard, a signal amplifier circuit integrated onto the motherboard, and a processor for controlling operations of the computer system. The signal amplifier circuit includes a Class-A preamplifier, a filament heating circuit, and a voltage booster and regulator circuit. The Class-A preamplifier has a vacuum tube so that the computer system can produce professional sound output.Type: ApplicationFiled: November 18, 2002Publication date: January 1, 2004Inventor: Ting-Yu Chang
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Publication number: 20030227728Abstract: A circuit board includes a power switch operable so as to generate a trigger signal upon actuation, a card slot adapted for connecting with a video card, and a controller coupled electrically to the power switch and the card slot. The controller detects connection of the video card to the card slot and further detects operating voltage of the video card. The controller inhibits the power switch from generating the trigger signal upon detection that the operating voltage of the video card that is connected to the card slot is higher than a predetermined voltage.Type: ApplicationFiled: June 11, 2002Publication date: December 11, 2003Applicant: Aopen IncorporatedInventors: Ting-Yu Chang, Chih-Hung Wu